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gemex
GemEx Systems Parlaklık ölçümü Tolkowsky veya Leo Diamond ® belirten sertifika sağlayan bağımsız bir laboratuvar olduğunu. Bu sertifika is known "Return ışık."
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Jewelry
- Category: General jewelry
- Company: Kay Jewelers
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